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Finding the Third Proportional to 21,095,424 and 45,370,368

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Solution

The third proportional to 21,095,424 and 45,370,368 is: 97,578,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095,424 : 45,370,368 = 45,370,368 : x
  2. Step 2: Convert to fraction form
    21,095,424/45,370,368 = 45,370,368/x
  3. Step 3: Cross multiply
    21,095,424x = 45,370,368 × 45,370,368
  4. Step 4: Simplify right side
    21,095,424x = 2,058,470,292,455,424
  5. Step 5: Solve for x
    x = 2,058,470,292,455,424/21,095,424
  6. Step 6: Final answer
    x = 97,578,995.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.