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Finding the Third Proportional to 402,953,252 and 867,553,656

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Solution

The third proportional to 402,953,252 and 867,553,656 is: 1,867,832,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,953,252 : 867,553,656 = 867,553,656 : x
  2. Step 2: Convert to fraction form
    402,953,252/867,553,656 = 867,553,656/x
  3. Step 3: Cross multiply
    402,953,252x = 867,553,656 × 867,553,656
  4. Step 4: Simplify right side
    402,953,252x = 752,649,346,038,966,272
  5. Step 5: Solve for x
    x = 752,649,346,038,966,272/402,953,252
  6. Step 6: Final answer
    x = 1,867,832,911.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.