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Finding the Third Proportional to 218,240,456.63 and 472,805,829

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Solution

The third proportional to 218,240,456.63 and 472,805,829 is: 1,024,307,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,240,456.63 : 472,805,829 = 472,805,829 : x
  2. Step 2: Convert to fraction form
    218,240,456.63/472,805,829 = 472,805,829/x
  3. Step 3: Cross multiply
    218,240,456.63x = 472,805,829 × 472,805,829
  4. Step 4: Simplify right side
    218,240,456.63x = 223,545,351,936,377,248
  5. Step 5: Solve for x
    x = 223,545,351,936,377,248/218,240,456.63
  6. Step 6: Final answer
    x = 1,024,307,570.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.