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Finding the Third Proportional to 46,779,734.81 and 72,721,203.75

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Solution

The third proportional to 46,779,734.81 and 72,721,203.75 is: 113,048,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779,734.81 : 72,721,203.75 = 72,721,203.75 : x
  2. Step 2: Convert to fraction form
    46,779,734.81/72,721,203.75 = 72,721,203.75/x
  3. Step 3: Cross multiply
    46,779,734.81x = 72,721,203.75 × 72,721,203.75
  4. Step 4: Simplify right side
    46,779,734.81x = 5,288,373,474,849,014
  5. Step 5: Solve for x
    x = 5,288,373,474,849,014/46,779,734.81
  6. Step 6: Final answer
    x = 113,048,385.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.