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Finding the Third Proportional to 213,798 and 464,807.25

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Solution

The third proportional to 213,798 and 464,807.25 is: 1,010,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,798 : 464,807.25 = 464,807.25 : x
  2. Step 2: Convert to fraction form
    213,798/464,807.25 = 464,807.25/x
  3. Step 3: Cross multiply
    213,798x = 464,807.25 × 464,807.25
  4. Step 4: Simplify right side
    213,798x = 216,045,779,652.56
  5. Step 5: Solve for x
    x = 216,045,779,652.56/213,798
  6. Step 6: Final answer
    x = 1,010,513.57

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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.