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Finding the Third Proportional to 10,002,307.78 and 15,906,145.92

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Solution

The third proportional to 10,002,307.78 and 15,906,145.92 is: 25,294,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,307.78 : 15,906,145.92 = 15,906,145.92 : x
  2. Step 2: Convert to fraction form
    10,002,307.78/15,906,145.92 = 15,906,145.92/x
  3. Step 3: Cross multiply
    10,002,307.78x = 15,906,145.92 × 15,906,145.92
  4. Step 4: Simplify right side
    10,002,307.78x = 253,005,478,087,980.69
  5. Step 5: Solve for x
    x = 253,005,478,087,980.69/10,002,307.78
  6. Step 6: Final answer
    x = 25,294,710.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.