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Finding the Third Proportional to 4,307,484,920 and 9,369,686,044

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Solution

The third proportional to 4,307,484,920 and 9,369,686,044 is: 20,381,038,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307,484,920 : 9,369,686,044 = 9,369,686,044 : x
  2. Step 2: Convert to fraction form
    4,307,484,920/9,369,686,044 = 9,369,686,044/x
  3. Step 3: Cross multiply
    4,307,484,920x = 9,369,686,044 × 9,369,686,044
  4. Step 4: Simplify right side
    4,307,484,920x = 87,791,016,563,128,369,152
  5. Step 5: Solve for x
    x = 87,791,016,563,128,369,152/4,307,484,920
  6. Step 6: Final answer
    x = 20,381,038,632.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.