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Finding the Third Proportional to 908,668.13 and 1,406,818.13

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Solution

The third proportional to 908,668.13 and 1,406,818.13 is: 2,178,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,668.13 : 1,406,818.13 = 1,406,818.13 : x
  2. Step 2: Convert to fraction form
    908,668.13/1,406,818.13 = 1,406,818.13/x
  3. Step 3: Cross multiply
    908,668.13x = 1,406,818.13 × 1,406,818.13
  4. Step 4: Simplify right side
    908,668.13x = 1,979,137,236,828.52
  5. Step 5: Solve for x
    x = 1,979,137,236,828.52/908,668.13
  6. Step 6: Final answer
    x = 2,178,063.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.