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Finding the Third Proportional to 21,646,072 and 45,083,312

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Solution

The third proportional to 21,646,072 and 45,083,312 is: 93,897,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646,072 : 45,083,312 = 45,083,312 : x
  2. Step 2: Convert to fraction form
    21,646,072/45,083,312 = 45,083,312/x
  3. Step 3: Cross multiply
    21,646,072x = 45,083,312 × 45,083,312
  4. Step 4: Simplify right side
    21,646,072x = 2,032,505,020,889,344
  5. Step 5: Solve for x
    x = 2,032,505,020,889,344/21,646,072
  6. Step 6: Final answer
    x = 93,897,175.47

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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.