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Finding the Third Proportional to 12,925,485 and 28,005,129

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Solution

The third proportional to 12,925,485 and 28,005,129 is: 60,677,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925,485 : 28,005,129 = 28,005,129 : x
  2. Step 2: Convert to fraction form
    12,925,485/28,005,129 = 28,005,129/x
  3. Step 3: Cross multiply
    12,925,485x = 28,005,129 × 28,005,129
  4. Step 4: Simplify right side
    12,925,485x = 784,287,250,306,641
  5. Step 5: Solve for x
    x = 784,287,250,306,641/12,925,485
  6. Step 6: Final answer
    x = 60,677,587.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.