Home / 138,610,156.50-207,483,437.25

Finding the Third Proportional to 138,610,156.50 and 207,483,437.25

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Solution

The third proportional to 138,610,156.50 and 207,483,437.25 is: 310,578,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,610,156.50 : 207,483,437.25 = 207,483,437.25 : x
  2. Step 2: Convert to fraction form
    138,610,156.50/207,483,437.25 = 207,483,437.25/x
  3. Step 3: Cross multiply
    138,610,156.50x = 207,483,437.25 × 207,483,437.25
  4. Step 4: Simplify right side
    138,610,156.50x = 43,049,376,733,074,688
  5. Step 5: Solve for x
    x = 43,049,376,733,074,688/138,610,156.50
  6. Step 6: Final answer
    x = 310,578,804.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.