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Finding the Third Proportional to 39,570,737.63 and 85,909,511.06

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Solution

The third proportional to 39,570,737.63 and 85,909,511.06 is: 186,512,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570,737.63 : 85,909,511.06 = 85,909,511.06 : x
  2. Step 2: Convert to fraction form
    39,570,737.63/85,909,511.06 = 85,909,511.06/x
  3. Step 3: Cross multiply
    39,570,737.63x = 85,909,511.06 × 85,909,511.06
  4. Step 4: Simplify right side
    39,570,737.63x = 7,380,444,090,997,810
  5. Step 5: Solve for x
    x = 7,380,444,090,997,810/39,570,737.63
  6. Step 6: Final answer
    x = 186,512,674.11

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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.