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Finding the Third Proportional to 10,371,815 and 15,221,358

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Solution

The third proportional to 10,371,815 and 15,221,358 is: 22,338,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,815 : 15,221,358 = 15,221,358 : x
  2. Step 2: Convert to fraction form
    10,371,815/15,221,358 = 15,221,358/x
  3. Step 3: Cross multiply
    10,371,815x = 15,221,358 × 15,221,358
  4. Step 4: Simplify right side
    10,371,815x = 231,689,739,364,164
  5. Step 5: Solve for x
    x = 231,689,739,364,164/10,371,815
  6. Step 6: Final answer
    x = 22,338,398.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.