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Finding the Third Proportional to 287,340,500 and 438,184,760

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Solution

The third proportional to 287,340,500 and 438,184,760 is: 668,217,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,340,500 : 438,184,760 = 438,184,760 : x
  2. Step 2: Convert to fraction form
    287,340,500/438,184,760 = 438,184,760/x
  3. Step 3: Cross multiply
    287,340,500x = 438,184,760 × 438,184,760
  4. Step 4: Simplify right side
    287,340,500x = 192,005,883,896,257,600
  5. Step 5: Solve for x
    x = 192,005,883,896,257,600/287,340,500
  6. Step 6: Final answer
    x = 668,217,268.00

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.