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Finding the Third Proportional to 90,711,132 and 140,076,862

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Solution

The third proportional to 90,711,132 and 140,076,862 is: 216,307,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,711,132 : 140,076,862 = 140,076,862 : x
  2. Step 2: Convert to fraction form
    90,711,132/140,076,862 = 140,076,862/x
  3. Step 3: Cross multiply
    90,711,132x = 140,076,862 × 140,076,862
  4. Step 4: Simplify right side
    90,711,132x = 19,621,527,267,767,044
  5. Step 5: Solve for x
    x = 19,621,527,267,767,044/90,711,132
  6. Step 6: Final answer
    x = 216,307,820.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.