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Finding the Third Proportional to 1,940,606,988 and 3,168,501,552

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Solution

The third proportional to 1,940,606,988 and 3,168,501,552 is: 5,173,330,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,606,988 : 3,168,501,552 = 3,168,501,552 : x
  2. Step 2: Convert to fraction form
    1,940,606,988/3,168,501,552 = 3,168,501,552/x
  3. Step 3: Cross multiply
    1,940,606,988x = 3,168,501,552 × 3,168,501,552
  4. Step 4: Simplify right side
    1,940,606,988x = 10,039,402,085,026,408,448
  5. Step 5: Solve for x
    x = 10,039,402,085,026,408,448/1,940,606,988
  6. Step 6: Final answer
    x = 5,173,330,894.46

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.