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Finding the Third Proportional to 572,432 and 1,243,279

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Solution

The third proportional to 572,432 and 1,243,279 is: 2,700,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,432 : 1,243,279 = 1,243,279 : x
  2. Step 2: Convert to fraction form
    572,432/1,243,279 = 1,243,279/x
  3. Step 3: Cross multiply
    572,432x = 1,243,279 × 1,243,279
  4. Step 4: Simplify right side
    572,432x = 1,545,742,671,841
  5. Step 5: Solve for x
    x = 1,545,742,671,841/572,432
  6. Step 6: Final answer
    x = 2,700,307.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.