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Finding the Third Proportional to 888,160 and 1,308,720

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Solution

The third proportional to 888,160 and 1,308,720 is: 1,928,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,160 : 1,308,720 = 1,308,720 : x
  2. Step 2: Convert to fraction form
    888,160/1,308,720 = 1,308,720/x
  3. Step 3: Cross multiply
    888,160x = 1,308,720 × 1,308,720
  4. Step 4: Simplify right side
    888,160x = 1,712,748,038,400
  5. Step 5: Solve for x
    x = 1,712,748,038,400/888,160
  6. Step 6: Final answer
    x = 1,928,422.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.