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Finding the Third Proportional to 564,252 and 864,090

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Solution

The third proportional to 564,252 and 864,090 is: 1,323,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,252 : 864,090 = 864,090 : x
  2. Step 2: Convert to fraction form
    564,252/864,090 = 864,090/x
  3. Step 3: Cross multiply
    564,252x = 864,090 × 864,090
  4. Step 4: Simplify right side
    564,252x = 746,651,528,100
  5. Step 5: Solve for x
    x = 746,651,528,100/564,252
  6. Step 6: Final answer
    x = 1,323,258.98

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.