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Finding the Third Proportional to 97,364,160 and 139,221,120

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Solution

The third proportional to 97,364,160 and 139,221,120 is: 199,072,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,364,160 : 139,221,120 = 139,221,120 : x
  2. Step 2: Convert to fraction form
    97,364,160/139,221,120 = 139,221,120/x
  3. Step 3: Cross multiply
    97,364,160x = 139,221,120 × 139,221,120
  4. Step 4: Simplify right side
    97,364,160x = 19,382,520,254,054,400
  5. Step 5: Solve for x
    x = 19,382,520,254,054,400/97,364,160
  6. Step 6: Final answer
    x = 199,072,433.37

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.