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Finding the Third Proportional to 7,963,650 and 12,590,347

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Solution

The third proportional to 7,963,650 and 12,590,347 is: 19,905,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,650 : 12,590,347 = 12,590,347 : x
  2. Step 2: Convert to fraction form
    7,963,650/12,590,347 = 12,590,347/x
  3. Step 3: Cross multiply
    7,963,650x = 12,590,347 × 12,590,347
  4. Step 4: Simplify right side
    7,963,650x = 158,516,837,580,409
  5. Step 5: Solve for x
    x = 158,516,837,580,409/7,963,650
  6. Step 6: Final answer
    x = 19,905,048.26

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.