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Finding the Third Proportional to 4,386,332 and 9,781,216

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Solution

The third proportional to 4,386,332 and 9,781,216 is: 21,811,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,332 : 9,781,216 = 9,781,216 : x
  2. Step 2: Convert to fraction form
    4,386,332/9,781,216 = 9,781,216/x
  3. Step 3: Cross multiply
    4,386,332x = 9,781,216 × 9,781,216
  4. Step 4: Simplify right side
    4,386,332x = 95,672,186,438,656
  5. Step 5: Solve for x
    x = 95,672,186,438,656/4,386,332
  6. Step 6: Final answer
    x = 21,811,432.98

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.