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Finding the Third Proportional to 15,252,610 and 21,333,840

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Solution

The third proportional to 15,252,610 and 21,333,840 is: 29,839,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252,610 : 21,333,840 = 21,333,840 : x
  2. Step 2: Convert to fraction form
    15,252,610/21,333,840 = 21,333,840/x
  3. Step 3: Cross multiply
    15,252,610x = 21,333,840 × 21,333,840
  4. Step 4: Simplify right side
    15,252,610x = 455,132,729,145,600
  5. Step 5: Solve for x
    x = 455,132,729,145,600/15,252,610
  6. Step 6: Final answer
    x = 29,839,662.14

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.