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Finding the Third Proportional to 631,660 and 971,887

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Solution

The third proportional to 631,660 and 971,887 is: 1,495,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,660 : 971,887 = 971,887 : x
  2. Step 2: Convert to fraction form
    631,660/971,887 = 971,887/x
  3. Step 3: Cross multiply
    631,660x = 971,887 × 971,887
  4. Step 4: Simplify right side
    631,660x = 944,564,340,769
  5. Step 5: Solve for x
    x = 944,564,340,769/631,660
  6. Step 6: Final answer
    x = 1,495,368.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.