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Finding the Third Proportional to 190,722,258 and 287,480,880

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Solution

The third proportional to 190,722,258 and 287,480,880 is: 433,327,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,722,258 : 287,480,880 = 287,480,880 : x
  2. Step 2: Convert to fraction form
    190,722,258/287,480,880 = 287,480,880/x
  3. Step 3: Cross multiply
    190,722,258x = 287,480,880 × 287,480,880
  4. Step 4: Simplify right side
    190,722,258x = 82,645,256,365,574,400
  5. Step 5: Solve for x
    x = 82,645,256,365,574,400/190,722,258
  6. Step 6: Final answer
    x = 433,327,799.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.