Finding the Third Proportional to 390,885.75 and 822,777.75
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Solution
The third proportional to 390,885.75 and 822,777.75 is: 1,731,869.80
Step by Step Solution
- Step 1: Write the proportion equation
390,885.75 : 822,777.75 = 822,777.75 : x - Step 2: Convert to fraction form
390,885.75/822,777.75 = 822,777.75/x - Step 3: Cross multiply
390,885.75x = 822,777.75 × 822,777.75 - Step 4: Simplify right side
390,885.75x = 676,963,225,895.06 - Step 5: Solve for x
x = 676,963,225,895.06/390,885.75 - Step 6: Final answer
x = 1,731,869.80
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.