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Finding the Third Proportional to 2,192,900,220 and 4,787,644,464

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Solution

The third proportional to 2,192,900,220 and 4,787,644,464 is: 10,452,613,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,900,220 : 4,787,644,464 = 4,787,644,464 : x
  2. Step 2: Convert to fraction form
    2,192,900,220/4,787,644,464 = 4,787,644,464/x
  3. Step 3: Cross multiply
    2,192,900,220x = 4,787,644,464 × 4,787,644,464
  4. Step 4: Simplify right side
    2,192,900,220x = 22,921,539,513,669,849,088
  5. Step 5: Solve for x
    x = 22,921,539,513,669,849,088/2,192,900,220
  6. Step 6: Final answer
    x = 10,452,613,987.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.