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Finding the Third Proportional to 136,620,653 and 209,864,285

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Solution

The third proportional to 136,620,653 and 209,864,285 is: 322,374,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,620,653 : 209,864,285 = 209,864,285 : x
  2. Step 2: Convert to fraction form
    136,620,653/209,864,285 = 209,864,285/x
  3. Step 3: Cross multiply
    136,620,653x = 209,864,285 × 209,864,285
  4. Step 4: Simplify right side
    136,620,653x = 44,043,018,118,561,224
  5. Step 5: Solve for x
    x = 44,043,018,118,561,224/136,620,653
  6. Step 6: Final answer
    x = 322,374,525.02

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.