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Finding the Third Proportional to 60,432,859.69 and 129,480,838.88

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Solution

The third proportional to 60,432,859.69 and 129,480,838.88 is: 277,420,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,432,859.69 : 129,480,838.88 = 129,480,838.88 : x
  2. Step 2: Convert to fraction form
    60,432,859.69/129,480,838.88 = 129,480,838.88/x
  3. Step 3: Cross multiply
    60,432,859.69x = 129,480,838.88 × 129,480,838.88
  4. Step 4: Simplify right side
    60,432,859.69x = 16,765,287,635,773,712
  5. Step 5: Solve for x
    x = 16,765,287,635,773,712/60,432,859.69
  6. Step 6: Final answer
    x = 277,420,061.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.