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Finding the Third Proportional to 196,359,918.13 and 292,837,066.88

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Solution

The third proportional to 196,359,918.13 and 292,837,066.88 is: 436,716,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,359,918.13 : 292,837,066.88 = 292,837,066.88 : x
  2. Step 2: Convert to fraction form
    196,359,918.13/292,837,066.88 = 292,837,066.88/x
  3. Step 3: Cross multiply
    196,359,918.13x = 292,837,066.88 × 292,837,066.88
  4. Step 4: Simplify right side
    196,359,918.13x = 85,753,547,735,953,216
  5. Step 5: Solve for x
    x = 85,753,547,735,953,216/196,359,918.13
  6. Step 6: Final answer
    x = 436,716,151.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.