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Finding the Third Proportional to 21,018,184 and 45,179,664

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Solution

The third proportional to 21,018,184 and 45,179,664 is: 97,116,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,184 : 45,179,664 = 45,179,664 : x
  2. Step 2: Convert to fraction form
    21,018,184/45,179,664 = 45,179,664/x
  3. Step 3: Cross multiply
    21,018,184x = 45,179,664 × 45,179,664
  4. Step 4: Simplify right side
    21,018,184x = 2,041,202,039,152,896
  5. Step 5: Solve for x
    x = 2,041,202,039,152,896/21,018,184
  6. Step 6: Final answer
    x = 97,116,003.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.