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Finding the Third Proportional to 581,548,390 and 872,748,324

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Solution

The third proportional to 581,548,390 and 872,748,324 is: 1,309,761,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,548,390 : 872,748,324 = 872,748,324 : x
  2. Step 2: Convert to fraction form
    581,548,390/872,748,324 = 872,748,324/x
  3. Step 3: Cross multiply
    581,548,390x = 872,748,324 × 872,748,324
  4. Step 4: Simplify right side
    581,548,390x = 761,689,637,044,808,960
  5. Step 5: Solve for x
    x = 761,689,637,044,808,960/581,548,390
  6. Step 6: Final answer
    x = 1,309,761,406.17

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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.