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Finding the Third Proportional to 128,501,275.50 and 193,036,770

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Solution

The third proportional to 128,501,275.50 and 193,036,770 is: 289,983,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,501,275.50 : 193,036,770 = 193,036,770 : x
  2. Step 2: Convert to fraction form
    128,501,275.50/193,036,770 = 193,036,770/x
  3. Step 3: Cross multiply
    128,501,275.50x = 193,036,770 × 193,036,770
  4. Step 4: Simplify right side
    128,501,275.50x = 37,263,194,572,032,896
  5. Step 5: Solve for x
    x = 37,263,194,572,032,896/128,501,275.50
  6. Step 6: Final answer
    x = 289,983,071.58

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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.