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Finding the Third Proportional to 201,397,758 and 310,993,358

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Solution

The third proportional to 201,397,758 and 310,993,358 is: 480,228,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,758 : 310,993,358 = 310,993,358 : x
  2. Step 2: Convert to fraction form
    201,397,758/310,993,358 = 310,993,358/x
  3. Step 3: Cross multiply
    201,397,758x = 310,993,358 × 310,993,358
  4. Step 4: Simplify right side
    201,397,758x = 96,716,868,720,116,160
  5. Step 5: Solve for x
    x = 96,716,868,720,116,160/201,397,758
  6. Step 6: Final answer
    x = 480,228,130.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.