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Finding the Third Proportional to 21,191,841 and 45,770,373

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Solution

The third proportional to 21,191,841 and 45,770,373 is: 98,855,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,191,841 : 45,770,373 = 45,770,373 : x
  2. Step 2: Convert to fraction form
    21,191,841/45,770,373 = 45,770,373/x
  3. Step 3: Cross multiply
    21,191,841x = 45,770,373 × 45,770,373
  4. Step 4: Simplify right side
    21,191,841x = 2,094,927,044,559,129
  5. Step 5: Solve for x
    x = 2,094,927,044,559,129/21,191,841
  6. Step 6: Final answer
    x = 98,855,358.75

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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.