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Finding the Third Proportional to 86,940,076,248 and 129,890,354,868

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Solution

The third proportional to 86,940,076,248 and 129,890,354,868 is: 194,059,000,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940,076,248 : 129,890,354,868 = 129,890,354,868 : x
  2. Step 2: Convert to fraction form
    86,940,076,248/129,890,354,868 = 129,890,354,868/x
  3. Step 3: Cross multiply
    86,940,076,248x = 129,890,354,868 × 129,890,354,868
  4. Step 4: Simplify right side
    86,940,076,248x = 16,871,504,287,734,970,712,064
  5. Step 5: Solve for x
    x = 16,871,504,287,734,970,712,064/86,940,076,248
  6. Step 6: Final answer
    x = 194,059,000,358.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.