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Finding the Third Proportional to 555,172 and 1,153,959

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Solution

The third proportional to 555,172 and 1,153,959 is: 2,398,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,172 : 1,153,959 = 1,153,959 : x
  2. Step 2: Convert to fraction form
    555,172/1,153,959 = 1,153,959/x
  3. Step 3: Cross multiply
    555,172x = 1,153,959 × 1,153,959
  4. Step 4: Simplify right side
    555,172x = 1,331,621,373,681
  5. Step 5: Solve for x
    x = 1,331,621,373,681/555,172
  6. Step 6: Final answer
    x = 2,398,574.45

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.