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Finding the Third Proportional to 545,069,688 and 817,404,420

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Solution

The third proportional to 545,069,688 and 817,404,420 is: 1,225,806,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,069,688 : 817,404,420 = 817,404,420 : x
  2. Step 2: Convert to fraction form
    545,069,688/817,404,420 = 817,404,420/x
  3. Step 3: Cross multiply
    545,069,688x = 817,404,420 × 817,404,420
  4. Step 4: Simplify right side
    545,069,688x = 668,149,985,835,536,384
  5. Step 5: Solve for x
    x = 668,149,985,835,536,384/545,069,688
  6. Step 6: Final answer
    x = 1,225,806,535.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.