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Finding the Third Proportional to 8,645,346 and 13,561,515

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Solution

The third proportional to 8,645,346 and 13,561,515 is: 21,273,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645,346 : 13,561,515 = 13,561,515 : x
  2. Step 2: Convert to fraction form
    8,645,346/13,561,515 = 13,561,515/x
  3. Step 3: Cross multiply
    8,645,346x = 13,561,515 × 13,561,515
  4. Step 4: Simplify right side
    8,645,346x = 183,914,689,095,225
  5. Step 5: Solve for x
    x = 183,914,689,095,225/8,645,346
  6. Step 6: Final answer
    x = 21,273,259.52

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.