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Finding the Third Proportional to 19,210,557.16 and 29,509,765.52

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Solution

The third proportional to 19,210,557.16 and 29,509,765.52 is: 45,330,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,557.16 : 29,509,765.52 = 29,509,765.52 : x
  2. Step 2: Convert to fraction form
    19,210,557.16/29,509,765.52 = 29,509,765.52/x
  3. Step 3: Cross multiply
    19,210,557.16x = 29,509,765.52 × 29,509,765.52
  4. Step 4: Simplify right side
    19,210,557.16x = 870,826,261,248,290
  5. Step 5: Solve for x
    x = 870,826,261,248,290/19,210,557.16
  6. Step 6: Final answer
    x = 45,330,609.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.