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Finding the Third Proportional to 710,674 and 1,554,207

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Solution

The third proportional to 710,674 and 1,554,207 is: 3,398,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,674 : 1,554,207 = 1,554,207 : x
  2. Step 2: Convert to fraction form
    710,674/1,554,207 = 1,554,207/x
  3. Step 3: Cross multiply
    710,674x = 1,554,207 × 1,554,207
  4. Step 4: Simplify right side
    710,674x = 2,415,559,398,849
  5. Step 5: Solve for x
    x = 2,415,559,398,849/710,674
  6. Step 6: Final answer
    x = 3,398,969.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.