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Finding the Third Proportional to 98,931,178 and 136,704,191

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Solution

The third proportional to 98,931,178 and 136,704,191 is: 188,899,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,178 : 136,704,191 = 136,704,191 : x
  2. Step 2: Convert to fraction form
    98,931,178/136,704,191 = 136,704,191/x
  3. Step 3: Cross multiply
    98,931,178x = 136,704,191 × 136,704,191
  4. Step 4: Simplify right side
    98,931,178x = 18,688,035,836,964,480
  5. Step 5: Solve for x
    x = 18,688,035,836,964,480/98,931,178
  6. Step 6: Final answer
    x = 188,899,356.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.