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Finding the Third Proportional to 718,582 and 1,127,243

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Solution

The third proportional to 718,582 and 1,127,243 is: 1,768,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,582 : 1,127,243 = 1,127,243 : x
  2. Step 2: Convert to fraction form
    718,582/1,127,243 = 1,127,243/x
  3. Step 3: Cross multiply
    718,582x = 1,127,243 × 1,127,243
  4. Step 4: Simplify right side
    718,582x = 1,270,676,781,049
  5. Step 5: Solve for x
    x = 1,270,676,781,049/718,582
  6. Step 6: Final answer
    x = 1,768,311.45

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.