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Finding the Third Proportional to 39,218,688 and 58,590,720

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Solution

The third proportional to 39,218,688 and 58,590,720 is: 87,531,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218,688 : 58,590,720 = 58,590,720 : x
  2. Step 2: Convert to fraction form
    39,218,688/58,590,720 = 58,590,720/x
  3. Step 3: Cross multiply
    39,218,688x = 58,590,720 × 58,590,720
  4. Step 4: Simplify right side
    39,218,688x = 3,432,872,470,118,400
  5. Step 5: Solve for x
    x = 3,432,872,470,118,400/39,218,688
  6. Step 6: Final answer
    x = 87,531,547.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.