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Finding the Third Proportional to 18,941,894 and 40,910,428

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Solution

The third proportional to 18,941,894 and 40,910,428 is: 88,357,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941,894 : 40,910,428 = 40,910,428 : x
  2. Step 2: Convert to fraction form
    18,941,894/40,910,428 = 40,910,428/x
  3. Step 3: Cross multiply
    18,941,894x = 40,910,428 × 40,910,428
  4. Step 4: Simplify right side
    18,941,894x = 1,673,663,119,143,184
  5. Step 5: Solve for x
    x = 1,673,663,119,143,184/18,941,894
  6. Step 6: Final answer
    x = 88,357,749.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.