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Finding the Third Proportional to 571,842 and 841,128

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Solution

The third proportional to 571,842 and 841,128 is: 1,237,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,842 : 841,128 = 841,128 : x
  2. Step 2: Convert to fraction form
    571,842/841,128 = 841,128/x
  3. Step 3: Cross multiply
    571,842x = 841,128 × 841,128
  4. Step 4: Simplify right side
    571,842x = 707,496,312,384
  5. Step 5: Solve for x
    x = 707,496,312,384/571,842
  6. Step 6: Final answer
    x = 1,237,223.42

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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.