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Finding the Third Proportional to 572,842 and 841,715

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Solution

The third proportional to 572,842 and 841,715 is: 1,236,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,842 : 841,715 = 841,715 : x
  2. Step 2: Convert to fraction form
    572,842/841,715 = 841,715/x
  3. Step 3: Cross multiply
    572,842x = 841,715 × 841,715
  4. Step 4: Simplify right side
    572,842x = 708,484,141,225
  5. Step 5: Solve for x
    x = 708,484,141,225/572,842
  6. Step 6: Final answer
    x = 1,236,788.05

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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.