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Finding the Third Proportional to 98,605,882 and 210,402,652

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Solution

The third proportional to 98,605,882 and 210,402,652 is: 448,951,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,605,882 : 210,402,652 = 210,402,652 : x
  2. Step 2: Convert to fraction form
    98,605,882/210,402,652 = 210,402,652/x
  3. Step 3: Cross multiply
    98,605,882x = 210,402,652 × 210,402,652
  4. Step 4: Simplify right side
    98,605,882x = 44,269,275,968,633,104
  5. Step 5: Solve for x
    x = 44,269,275,968,633,104/98,605,882
  6. Step 6: Final answer
    x = 448,951,675.81

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.