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Finding the Third Proportional to 581,548,386 and 872,748,318

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Solution

The third proportional to 581,548,386 and 872,748,318 is: 1,309,761,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,548,386 : 872,748,318 = 872,748,318 : x
  2. Step 2: Convert to fraction form
    581,548,386/872,748,318 = 872,748,318/x
  3. Step 3: Cross multiply
    581,548,386x = 872,748,318 × 872,748,318
  4. Step 4: Simplify right side
    581,548,386x = 761,689,626,571,829,120
  5. Step 5: Solve for x
    x = 761,689,626,571,829,120/581,548,386
  6. Step 6: Final answer
    x = 1,309,761,397.17

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Why These Related Problems?

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