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Finding the Third Proportional to 855,807.19 and 1,332,783.28

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Solution

The third proportional to 855,807.19 and 1,332,783.28 is: 2,075,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,807.19 : 1,332,783.28 = 1,332,783.28 : x
  2. Step 2: Convert to fraction form
    855,807.19/1,332,783.28 = 1,332,783.28/x
  3. Step 3: Cross multiply
    855,807.19x = 1,332,783.28 × 1,332,783.28
  4. Step 4: Simplify right side
    855,807.19x = 1,776,311,274,779.52
  5. Step 5: Solve for x
    x = 1,776,311,274,779.52/855,807.19
  6. Step 6: Final answer
    x = 2,075,597.52

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.