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Finding the Third Proportional to 21,810,948 and 45,878,236

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Solution

The third proportional to 21,810,948 and 45,878,236 is: 96,502,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,948 : 45,878,236 = 45,878,236 : x
  2. Step 2: Convert to fraction form
    21,810,948/45,878,236 = 45,878,236/x
  3. Step 3: Cross multiply
    21,810,948x = 45,878,236 × 45,878,236
  4. Step 4: Simplify right side
    21,810,948x = 2,104,812,538,471,696
  5. Step 5: Solve for x
    x = 2,104,812,538,471,696/21,810,948
  6. Step 6: Final answer
    x = 96,502,570.11

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.