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Finding the Third Proportional to 186,207,778 and 404,646,590

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Solution

The third proportional to 186,207,778 and 404,646,590 is: 879,334,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,207,778 : 404,646,590 = 404,646,590 : x
  2. Step 2: Convert to fraction form
    186,207,778/404,646,590 = 404,646,590/x
  3. Step 3: Cross multiply
    186,207,778x = 404,646,590 × 404,646,590
  4. Step 4: Simplify right side
    186,207,778x = 163,738,862,798,628,096
  5. Step 5: Solve for x
    x = 163,738,862,798,628,096/186,207,778
  6. Step 6: Final answer
    x = 879,334,174.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.