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Finding the Third Proportional to 59,147,748 and 129,426,840

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Solution

The third proportional to 59,147,748 and 129,426,840 is: 283,211,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,147,748 : 129,426,840 = 129,426,840 : x
  2. Step 2: Convert to fraction form
    59,147,748/129,426,840 = 129,426,840/x
  3. Step 3: Cross multiply
    59,147,748x = 129,426,840 × 129,426,840
  4. Step 4: Simplify right side
    59,147,748x = 16,751,306,912,385,600
  5. Step 5: Solve for x
    x = 16,751,306,912,385,600/59,147,748
  6. Step 6: Final answer
    x = 283,211,237.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.