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Finding the Third Proportional to 21,016,804 and 45,275,752

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Solution

The third proportional to 21,016,804 and 45,275,752 is: 97,535,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016,804 : 45,275,752 = 45,275,752 : x
  2. Step 2: Convert to fraction form
    21,016,804/45,275,752 = 45,275,752/x
  3. Step 3: Cross multiply
    21,016,804x = 45,275,752 × 45,275,752
  4. Step 4: Simplify right side
    21,016,804x = 2,049,893,719,165,504
  5. Step 5: Solve for x
    x = 2,049,893,719,165,504/21,016,804
  6. Step 6: Final answer
    x = 97,535,939.30

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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.