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Finding the Third Proportional to 186,275,916 and 391,853,808

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Solution

The third proportional to 186,275,916 and 391,853,808 is: 824,311,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,275,916 : 391,853,808 = 391,853,808 : x
  2. Step 2: Convert to fraction form
    186,275,916/391,853,808 = 391,853,808/x
  3. Step 3: Cross multiply
    186,275,916x = 391,853,808 × 391,853,808
  4. Step 4: Simplify right side
    186,275,916x = 153,549,406,844,100,864
  5. Step 5: Solve for x
    x = 153,549,406,844,100,864/186,275,916
  6. Step 6: Final answer
    x = 824,311,645.55

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.