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Finding the Third Proportional to 59,866,348 and 129,077,200

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Solution

The third proportional to 59,866,348 and 129,077,200 is: 278,301,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,866,348 : 129,077,200 = 129,077,200 : x
  2. Step 2: Convert to fraction form
    59,866,348/129,077,200 = 129,077,200/x
  3. Step 3: Cross multiply
    59,866,348x = 129,077,200 × 129,077,200
  4. Step 4: Simplify right side
    59,866,348x = 16,660,923,559,840,000
  5. Step 5: Solve for x
    x = 16,660,923,559,840,000/59,866,348
  6. Step 6: Final answer
    x = 278,301,986.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.