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Finding the Third Proportional to 630,440 and 1,368,043

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Solution

The third proportional to 630,440 and 1,368,043 is: 2,968,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,440 : 1,368,043 = 1,368,043 : x
  2. Step 2: Convert to fraction form
    630,440/1,368,043 = 1,368,043/x
  3. Step 3: Cross multiply
    630,440x = 1,368,043 × 1,368,043
  4. Step 4: Simplify right side
    630,440x = 1,871,541,649,849
  5. Step 5: Solve for x
    x = 1,871,541,649,849/630,440
  6. Step 6: Final answer
    x = 2,968,627.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.