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Finding the Third Proportional to 21,669,902 and 45,133,428

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Solution

The third proportional to 21,669,902 and 45,133,428 is: 94,002,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,902 : 45,133,428 = 45,133,428 : x
  2. Step 2: Convert to fraction form
    21,669,902/45,133,428 = 45,133,428/x
  3. Step 3: Cross multiply
    21,669,902x = 45,133,428 × 45,133,428
  4. Step 4: Simplify right side
    21,669,902x = 2,037,026,323,031,184
  5. Step 5: Solve for x
    x = 2,037,026,323,031,184/21,669,902
  6. Step 6: Final answer
    x = 94,002,562.77

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.