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Finding the Third Proportional to 692,681.63 and 1,036,243.13

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Solution

The third proportional to 692,681.63 and 1,036,243.13 is: 1,550,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,681.63 : 1,036,243.13 = 1,036,243.13 : x
  2. Step 2: Convert to fraction form
    692,681.63/1,036,243.13 = 1,036,243.13/x
  3. Step 3: Cross multiply
    692,681.63x = 1,036,243.13 × 1,036,243.13
  4. Step 4: Simplify right side
    692,681.63x = 1,073,799,814,109.77
  5. Step 5: Solve for x
    x = 1,073,799,814,109.77/692,681.63
  6. Step 6: Final answer
    x = 1,550,206.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.