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Finding the Third Proportional to 59,838,480 and 129,124,800

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Solution

The third proportional to 59,838,480 and 129,124,800 is: 278,636,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,838,480 : 129,124,800 = 129,124,800 : x
  2. Step 2: Convert to fraction form
    59,838,480/129,124,800 = 129,124,800/x
  3. Step 3: Cross multiply
    59,838,480x = 129,124,800 × 129,124,800
  4. Step 4: Simplify right side
    59,838,480x = 16,673,213,975,040,000
  5. Step 5: Solve for x
    x = 16,673,213,975,040,000/59,838,480
  6. Step 6: Final answer
    x = 278,636,990.36

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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.