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Finding the Third Proportional to 15,031,421 and 32,935,609

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Solution

The third proportional to 15,031,421 and 32,935,609 is: 72,165,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031,421 : 32,935,609 = 32,935,609 : x
  2. Step 2: Convert to fraction form
    15,031,421/32,935,609 = 32,935,609/x
  3. Step 3: Cross multiply
    15,031,421x = 32,935,609 × 32,935,609
  4. Step 4: Simplify right side
    15,031,421x = 1,084,754,340,200,881
  5. Step 5: Solve for x
    x = 1,084,754,340,200,881/15,031,421
  6. Step 6: Final answer
    x = 72,165,787.93

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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.